Pentair G4V Venturi Complete Pop Up Head Black | 221004 Style:With Riser Pipe This cylinder was designed for

This cylinder was designed for the mechanism which is essentially the engine or motor that a car would have that helps give the cleaner the power and operating capabilities to clean your pool

and slurry cap

You can confirm this by checking the valves run time which should only be about 30 seconds if longer than that

G4V (Venturi) Pop‑Up Head (Light Gray) | SKU 231202

A reinforced handle provides strength and ease of use

Pentair G4V Venturi Complete Pop Up Head Black | 221004 Style:With Riser Pipe This cylinder was designed forPentair G4V Venturi Complete Pop Up Head Black 221004 Pentair G4V Venturi Pop Up Head 221004 ensures reliable in floor pool cleaning with strong water circulation and debris removal for A&A systems. Features Venturi design maximizes water flow for superior cleaning. Fits all Pentair A&A in floor cleaning systems. Black finish blends seamlessly with pool surfaces. Provides 360 water circulation for even debris collection. Built to resist pool chemicals